Track-A-Bot website logo and homepage link

Bot IP: 135.181.213.220

Bot Name: MJ12bot
MJ12bot is a web crawler operated by Majestic, used primarily for building a large-scale web index for SEO and link analysis.
Verified bot
Track-A-Bot Trust Score: 95/100
0255075100
Why Track-A-Bot rated this IP (tap to expand)

Identity

  • ✅ Marked as bot traffic
  • ✅ Bot name present
  • ✅ User-agent matches bot name
  • ✅ User-agent includes identity link/email

Hostname

  • ✅ Hostname observed
  • ℹ️ Hostname does not resemble bot name
  • ℹ️ Hostname status not verified
  • ✅ No hostname mismatch flags

Behavior

  • ✅ Requested /robots.txt
  • ✅ No referrer (typical crawler behavior)
  • ✅ Mostly 200/304 responses
  • 📌 Visits: 129
  • ⏱️ Age: 15244h

Penalties

  • ✅ No major spoof pattern
  • ✅ No fingerprint fields
  • ✅ Cookies not enabled
  • ✅ No connection type
Total visits: 129 First seen: Mar 17th, 2024 2:43 PM Last seen: Dec 12th, 2025 7:23 PM
Known Hostname(s)
linux07.r00tbase.de
Known User Agent(s)
Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)
Known Accepted Language(s)
en
Known Accepted Encoding(s)
br,gzip

Common User-Agent Tokens

These are identifiers found inside user-agent strings we observed for mj12bot.

Token
Seen
First seen
Last seen
mj12bot/v1.4.8
32,219
3/16/24
12/12/25
mj12bot/v1.4.8 32,219 seen
First 3/16/24
Last 12/12/25
mj12bot/v2.0.0
4,134
2/13/25
12/12/25
mj12bot/v2.0.0 4,134 seen
First 2/13/25
Last 12/12/25
mj12bot/v2.0.2
2,056
5/22/25
12/12/25
mj12bot/v2.0.2 2,056 seen
First 5/22/25
Last 12/12/25
mj12bot/v2.0.4
1,929
8/13/25
12/12/25
mj12bot/v2.0.4 1,929 seen
First 8/13/25
Last 12/12/25
mj12bot/v2.0.1
1,117
5/6/25
12/12/25
mj12bot/v2.0.1 1,117 seen
First 5/6/25
Last 12/12/25
ident
16
3/2/25
12/12/25
ident 16 seen
First 3/2/25
Last 12/12/25
m08fnqhytir7
16
3/2/25
12/12/25
m08fnqhytir7 16 seen
First 3/2/25
Last 12/12/25
unknown
12
5/28/25
12/12/25
unknown 12 seen
First 5/28/25
Last 12/12/25

Identity Links

These are URLs we observed in association with mj12bot (often used as an identity, help, or policy link).

URL
Seen
First seen
Last seen
41,452
3/16/24
12/12/25
mj12bot.com/ 41,452 seen mj12bot.com
First 3/16/24
Last 12/12/25
www.majestic12.co.uk/bot.php?+ 3 seen www.majestic12.co.uk
First 8/1/25
Last 8/1/25

Bot FAQ for this IP


Why is mj12bot visiting my website?

mj12bot is visiting your website as part of its web crawling activities. According to the recent logs, it accessed several pages and your /robots.txt file, which is typical crawler behavior. The user agent string identifies it as 'MJ12bot/v1.4.8' and the hostname resolves to 'linux07.r00tbase.de'. Crawlers like mj12bot typically collect information for search engines or web indexing projects. If you do not want mj12bot to access your site, you can disallow it in your robots.txt file. To manage its impact, consider rate limiting, monitoring its activity, and reviewing your server logs regularly.

What does mj12bot do?

mj12bot is a web crawler that scans websites to gather data, usually for search engine indexing or web analysis. Its user agent and behavior suggest it systematically requests pages and checks for robots.txt rules. While the bot claims to follow standard crawling practices, the exact purpose depends on the organization operating it, which is not fully verifiable from the logs alone. You can control its access using robots.txt directives, monitor its requests for unusual patterns, and use a Web Application Firewall (WAF) to set limits if needed.

Is mj12bot safe?

Based on the available data, mj12bot appears to behave like a typical web crawler, accessing public pages and robots.txt. Its user agent and reverse DNS are consistent with known mj12bot identifiers. However, as with any automated bot, there are potential risks such as increased server load or unwanted data collection. To protect your site, consider: 1) Setting clear rules in robots.txt, 2) Monitoring for excessive or suspicious activity, 3) Implementing rate limiting, 4) Using a WAF to block or challenge unwanted bots, and 5) Verifying the bot's identity by checking its reverse DNS and user agent.

This page provides a detailed lookup for the bot with the IP address of 135.181.213.220, based on real-world traffic observed across websites using Track-A-Bot software. Use this information to verify whether activity from this IP belongs to a legitimate search engine crawler, or to analyze bot behavior on your website.